Finding the Fourth Proportional to 434,666.19, 599,868.14 and 243,691.95
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Solution
The fourth proportional to 434,666.19, 599,868.14 and 243,691.95 is: 336,311.03
Step by Step Solution
- Step 1: Write the proportion equation
434,666.19 : 599,868.14 = 243,691.95 : x - Step 2: Convert to fraction form
434,666.19/599,868.14 = 243,691.95/x - Step 3: Cross multiply
434,666.19x = 599,868.14 × 243,691.95 - Step 4: Simplify right side
434,666.19x = 146,183,035,561.01 - Step 5: Solve for x
x = 146,183,035,561.01/434,666.19 - Step 6: Final answer
x = 336,311.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.